The past is a foreign country; they do things differently there.
一个良好的世界需要知识、善良和勇气;它不需要对过去的后悔,也不需要被无知之人长时间前说过的话所束缚的自由智慧。
The greatest thing in life is to keep your mind young.
Happiness is not something ready made. It comes from your own actions.